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प्रश्न
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a jack, queen or a king
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उत्तर
There are 4 jacks, 4 queens and 4 kings in a deck. Hence, the probability of drawing either of them is: (4+4+4)/52 = 3/13
संबंधित प्रश्न
Find the probability of the pointer stopping on D.
Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of.
- Getting a number 6?
- Getting a number less than 6?
- Getting a number greater than 6?
- Getting a 1-digit number?
Find the probabilities of the events given in Question 2.
A box contains pairs of socks of two colours (black and white). I have picked out a white sock. I pick out one more with my eyes closed. What is the probability that it will make a pair?
A die is thrown. Find the probability of getting 2 or 4.
A die is thrown. Find the probability of getting:
a multiple of 2 or 3
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a spade
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a queen
A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:
white
Classify the following statements under appropriate headings.
- Getting the sum of angles of a triangle as 180°.
- India winning a cricket match against Pakistan.
- Sun setting in the evening.
- Getting 7 when a die is thrown.
- Sun rising from the west.
- Winning a racing competition by you.
| Certain to happen | Impossible to happen | May or may not happen |
